Features & details 【Medical Grade Choice】The oxygen generator is equipped with a high precision molecular filter and high power of 150 W and provides stable and high purity oxygen flow of up to 93±3% for an adjustable flow rate of 1-7L/min. 【Low noise】The Creliver Oxygen Concentrate for home works with a low noise level of 42 decibels, which corresponds to a bookshelf. 8 hours timer setting and 24 hours continuous operation allow you to breathe healthily at night. EXTREMELY EASY TO USE Equipped with large smart touch screen, one-touch control, wireless remote and voice control, it is super easy to use. No consumables: remove your oxygen from the air, without consumables. Say goodbye to heavy and expensive oxygen bottles. It will be a brand new solution. Equipped with a water tank, you can breathe wet oxygen by adding pure/distilled water. 【Suitable for home use】The weight is 6.5 kg. With AC mains plug, the oxygen device provides 24/7 oxygen.